388947412

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{22441}}^1$

素因数の和:23071

約数の個数: 24

約数和(自身を含む): 779186240

約数和(自身を除く): 390238828

約数列:

[1, 2, 4, 7, 14, 28, 619, 1238, 2476, 4333, 8666, 17332, 22441, 44882, 89764, 157087, 314174, 628348, 13890979, 27781958, 55563916, 97236853, 194473706, 388947412]

約数ペア:

[(1, 388947412), (2, 194473706), (4, 97236853), (7, 55563916), (14, 27781958), (28, 13890979), (619, 628348), (1238, 314174), (2476, 157087), (4333, 89764), (8666, 44882), (17332, 22441)]